[INFO] updating cached repository https://github.com/a-braham/generics_traits_lifetimes
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4a4ffc5a5f386886e68c899d8787ad1771f97674
[INFO] testing a-braham/generics_traits_lifetimes against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fa-braham%2Fgenerics_traits_lifetimes" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/a-braham/generics_traits_lifetimes on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/a-braham/generics_traits_lifetimes
[INFO] finished tweaking git repo https://github.com/a-braham/generics_traits_lifetimes
[INFO] tweaked toml for git repo https://github.com/a-braham/generics_traits_lifetimes written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/a-braham/generics_traits_lifetimes already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 31947ee4515ce88dfad1bcbe9d52c7e5cb8fac4dc84894aa0f55c794534994d5
[INFO] running `Command { std: "docker" "start" "-a" "31947ee4515ce88dfad1bcbe9d52c7e5cb8fac4dc84894aa0f55c794534994d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "31947ee4515ce88dfad1bcbe9d52c7e5cb8fac4dc84894aa0f55c794534994d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31947ee4515ce88dfad1bcbe9d52c7e5cb8fac4dc84894aa0f55c794534994d5", kill_on_drop: false }`
[INFO] [stdout] 31947ee4515ce88dfad1bcbe9d52c7e5cb8fac4dc84894aa0f55c794534994d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 50d3b9de8e92938f42b72fe4542edeead361074dd83d224169c9785f72c4b8e9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "50d3b9de8e92938f42b72fe4542edeead361074dd83d224169c9785f72c4b8e9", kill_on_drop: false }`
[INFO] [stderr]    Compiling generics v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `longest_announcement`
[INFO] [stdout]    --> src/main.rs:106:4
[INFO] [stdout]     |
[INFO] [stdout] 106 | fn longest_announcement<'a, T>(x: &'a str, y: &'a str, ann: T) -> &'a str where T: Display {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "50d3b9de8e92938f42b72fe4542edeead361074dd83d224169c9785f72c4b8e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50d3b9de8e92938f42b72fe4542edeead361074dd83d224169c9785f72c4b8e9", kill_on_drop: false }`
[INFO] [stdout] 50d3b9de8e92938f42b72fe4542edeead361074dd83d224169c9785f72c4b8e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f99c17e4fa1bfe67186170d32988d568fb9cc129ae388a11b640c9056b6ed186
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f99c17e4fa1bfe67186170d32988d568fb9cc129ae388a11b640c9056b6ed186", kill_on_drop: false }`
[INFO] [stderr]    Compiling generics v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `longest_announcement`
[INFO] [stdout]    --> src/main.rs:106:4
[INFO] [stdout]     |
[INFO] [stdout] 106 | fn longest_announcement<'a, T>(x: &'a str, y: &'a str, ann: T) -> &'a str where T: Display {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "f99c17e4fa1bfe67186170d32988d568fb9cc129ae388a11b640c9056b6ed186", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f99c17e4fa1bfe67186170d32988d568fb9cc129ae388a11b640c9056b6ed186", kill_on_drop: false }`
[INFO] [stdout] f99c17e4fa1bfe67186170d32988d568fb9cc129ae388a11b640c9056b6ed186
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2a8dffaac88df2d83ccd11606d0d0b6cb0f542052e47671c7300ffbccb65d40f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2a8dffaac88df2d83ccd11606d0d0b6cb0f542052e47671c7300ffbccb65d40f", kill_on_drop: false }`
[INFO] [stderr] warning: function is never used: `longest_announcement`
[INFO] [stderr]    --> src/main.rs:106:4
[INFO] [stderr]     |
[INFO] [stderr] 106 | fn longest_announcement<'a, T>(x: &'a str, y: &'a str, ann: T) -> &'a str where T: Display {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/generics-036c89d3e60f846f
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2a8dffaac88df2d83ccd11606d0d0b6cb0f542052e47671c7300ffbccb65d40f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a8dffaac88df2d83ccd11606d0d0b6cb0f542052e47671c7300ffbccb65d40f", kill_on_drop: false }`
[INFO] [stdout] 2a8dffaac88df2d83ccd11606d0d0b6cb0f542052e47671c7300ffbccb65d40f